[a3_nm]

It's terrifying that you can innocently trigger bugs in your visual cortex that will take lots of time to fix.

A terrible idea would be to make a video game (or a short movie maybe) which triggered the effect. Imagine if the background in (e.g.) Super Hexagon were designed for this purpose...

[dahart]

Looking at the first YouTube result of Super Hexagon, since I haven't played it before, holy crap I think this playing game will already do brain damage! ;)